diplodocus.org Git - nmh/blob - uip/mhlist.c

   1 /* mhlist.c -- list the contents of MIME messages
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include "h/mh.h"
   9 #include "sbr/print_version.h"
  10 #include "sbr/print_help.h"
  11 #include "sbr/error.h"
  12 #include <fcntl.h>
  13 #include "h/signals.h"
  14 #include "h/md5.h"
  15 #include "h/mts.h"
  16 #include "h/tws.h"
  17 #include "h/mime.h"
  18 #include "h/mhparse.h"
  19 #include "h/mhcachesbr.h"
  20 #include "h/done.h"
  21 #include "h/utils.h"
  22 #include "mhmisc.h"
  23 #include "sbr/m_maildir.h"
  24 #include "mhfree.h"
  25
  26 #define MHLIST_SWITCHES \
  27     X("check", 0, CHECKSW) \
  28     X("nocheck", 0, NCHECKSW) \
  29     X("headers", 0, HEADSW) \
  30     X("noheaders", 0, NHEADSW) \
  31     X("realsize", 0, SIZESW) \
  32     X("norealsize", 0, NSIZESW) \
  33     X("verbose", 0, VERBSW) \
  34     X("noverbose", 0, NVERBSW) \
  35     X("disposition", 0, DISPOSW) \
  36     X("nodisposition", 0, NDISPOSW) \
  37     X("file file", 0, FILESW) \
  38     X("part number", 0, PARTSW) \
  39     X("type content", 0, TYPESW) \
  40     X("prefer content", 0, PREFERSW) \
  41     X("noprefer", 0, NPREFERSW) \
  42     X("rcache policy", 0, RCACHESW) \
  43     X("wcache policy", 0, WCACHESW) \
  44     X("changecur", 0, CHGSW) \
  45     X("nochangecur", 0, NCHGSW) \
  46     X("version", 0, VERSIONSW) \
  47     X("help", 0, HELPSW) \
  48     X("debug", -5, DEBUGSW) \
  49
  50 #define X(sw, minchars, id) id,
  51 DEFINE_SWITCH_ENUM(MHLIST);
  52 #undef X
  53
  54 #define X(sw, minchars, id) { sw, minchars, id },
  55 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  56 #undef X
  57
  58 /*
  59  * This is currently needed to keep mhparse happy.
  60  * This needs to be changed.
  61  */
  62 int debugsw = 0;
  63
  64 #define quitser pipeser
  65
  66 /*
  67  * static prototypes
  68  */
  69 static void pipeser (int);
  70
  71
  72 int
  73 main (int argc, char **argv)
  74 {
  75     bool sizesw = true;
  76     bool headsw = true;
  77     bool chgflag = true;
  78     bool verbosw = false;
  79     bool dispo = false;
  80     int msgnum, *icachesw;
  81     char *cp, *file = NULL, *folder = NULL;
  82     char *maildir, buf[100], **argp;
  83     char **arguments;
  84     struct msgs_array msgs = { 0, 0, NULL };
  85     struct msgs *mp = NULL;
  86     CT ct, *ctp;
  87
  88     if (nmh_init(argv[0], true, true)) { return 1; }
  89
  90     set_done(freects_done);
  91
  92     arguments = getarguments (invo_name, argc, argv, 1);
  93     argp = arguments;
  94
  95     /*
  96      * Parse arguments
  97      */
  98     while ((cp = *argp++)) {
  99         if (*cp == '-') {
 100             switch (smatch (++cp, switches)) {
 101             case AMBIGSW:
 102                 ambigsw (cp, switches);
 103                 done (1);
 104             case UNKWNSW:
 105                 die("-%s unknown", cp);
 106
 107             case HELPSW:
 108                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 109                         invo_name);
 110                 print_help (buf, switches, 1);
 111                 done (0);
 112             case VERSIONSW:
 113                 print_version(invo_name);
 114                 done (0);
 115
 116             case RCACHESW:
 117                 icachesw = &rcachesw;
 118                 goto do_cache;
 119             case WCACHESW:
 120                 icachesw = &wcachesw;
 121 do_cache:
 122                 if (!(cp = *argp++) || *cp == '-')
 123                     die("missing argument to %s", argp[-2]);
 124                 switch (*icachesw = smatch (cp, cache_policy)) {
 125                 case AMBIGSW:
 126                     ambigsw (cp, cache_policy);
 127                     done (1);
 128                 case UNKWNSW:
 129                     die("%s unknown", cp);
 130                 default:
 131                     break;
 132                 }
 133                 continue;
 134
 135             case CHECKSW:
 136                 checksw++;
 137                 continue;
 138             case NCHECKSW:
 139                 checksw = 0;
 140                 continue;
 141
 142             case HEADSW:
 143                 headsw = true;
 144                 continue;
 145             case NHEADSW:
 146                 headsw = false;
 147                 continue;
 148
 149             case SIZESW:
 150                 sizesw = true;
 151                 continue;
 152             case NSIZESW:
 153                 sizesw = false;
 154                 continue;
 155
 156             case PARTSW:
 157                 if (!(cp = *argp++) || *cp == '-')
 158                     die("missing argument to %s", argp[-2]);
 159                 if (npart >= NPARTS)
 160                     die("too many parts (starting with %s), %d max",
 161                            cp, NPARTS);
 162                 parts[npart++] = cp;
 163                 continue;
 164
 165             case TYPESW:
 166                 if (!(cp = *argp++) || *cp == '-')
 167                     die("missing argument to %s", argp[-2]);
 168                 if (ntype >= NTYPES)
 169                     die("too many types (starting with %s), %d max",
 170                            cp, NTYPES);
 171                 types[ntype++] = cp;
 172                 continue;
 173
 174             case PREFERSW:
 175                 if (!(cp = *argp++) || *cp == '-')
 176                     die("missing argument to %s", argp[-2]);
 177                 if (npreferred >= NPREFS)
 178                     die("too many preferred types (starting with %s), %d max",
 179                            cp, NPREFS);
 180                 mime_preference[npreferred].type = cp;
 181                 cp = strchr(cp, '/');
 182                 if (cp) *cp++ = '\0';
 183                 mime_preference[npreferred++].subtype = cp;
 184                 continue;
 185
 186             case NPREFERSW:
 187                 npreferred = 0;
 188                 continue;
 189
 190             case FILESW:
 191                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 192                     die("missing argument to %s", argp[-2]);
 193                 file = *cp == '-' ? cp : path (cp, TFILE);
 194                 continue;
 195
 196             case CHGSW:
 197                 chgflag = true;
 198                 continue;
 199             case NCHGSW:
 200                 chgflag = false;
 201                 continue;
 202
 203             case VERBSW:
 204                 verbosw = true;
 205                 continue;
 206             case NVERBSW:
 207                 verbosw = false;
 208                 continue;
 209             case DISPOSW:
 210                 dispo = true;
 211                 continue;
 212             case NDISPOSW:
 213                 dispo = false;
 214                 continue;
 215             case DEBUGSW:
 216                 debugsw = 1;
 217                 continue;
 218             }
 219         }
 220         if (*cp == '+' || *cp == '@') {
 221             if (folder)
 222                 die("only one folder at a time!");
 223             folder = pluspath (cp);
 224         } else
 225                 app_msgarg(&msgs, cp);
 226     }
 227
 228     /* null terminate the list of acceptable parts/types */
 229     parts[npart] = NULL;
 230     types[ntype] = NULL;
 231
 232     /* Check for public cache location */
 233     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 234         cache_public = NULL;
 235
 236     /* Check for private cache location */
 237     if (!(cache_private = context_find (nmhprivcache)))
 238         cache_private = ".cache";
 239     cache_private = mh_xstrdup(m_maildir(cache_private));
 240
 241     if (!context_find ("path"))
 242         free (path ("./", TFOLDER));
 243
 244     if (file && msgs.size)
 245         die("cannot specify msg and file at same time!");
 246
 247     /*
 248      * check if message is coming from file
 249      */
 250     if (file) {
 251         cts = mh_xcalloc(2, sizeof *cts);
 252         ctp = cts;
 253
 254         if ((ct = parse_mime (file)))
 255             *ctp++ = ct;
 256     } else {
 257         /*
 258          * message(s) are coming from a folder
 259          */
 260         if (!msgs.size)
 261             app_msgarg(&msgs, "cur");
 262         if (!folder)
 263             folder = getfolder (1);
 264         maildir = m_maildir (folder);
 265
 266         if (chdir (maildir) == NOTOK)
 267             adios (maildir, "unable to change directory to");
 268
 269         /* read folder and create message structure */
 270         if (!(mp = folder_read (folder, 0)))
 271             die("unable to read folder %s", folder);
 272
 273         /* check for empty folder */
 274         if (mp->nummsg == 0)
 275             die("no messages in %s", folder);
 276
 277         /* parse all the message ranges/sequences and set SELECTED */
 278         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 279             if (!m_convert (mp, msgs.msgs[msgnum]))
 280                 done (1);
 281         seq_setprev (mp);       /* set the previous-sequence */
 282
 283         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 284         ctp = cts;
 285
 286         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 287             if (is_selected(mp, msgnum)) {
 288                 char *msgnam;
 289
 290                 msgnam = m_name (msgnum);
 291                 if ((ct = parse_mime (msgnam)))
 292                     *ctp++ = ct;
 293             }
 294         }
 295     }
 296
 297     if (!*cts)
 298         done (1);
 299
 300     userrs = true;
 301     SIGNAL (SIGQUIT, quitser);
 302     SIGNAL (SIGPIPE, pipeser);
 303
 304     /*
 305      * Get the associated umask for the relevant contents.
 306      */
 307     for (ctp = cts; *ctp; ctp++) {
 308         struct stat st;
 309
 310         ct = *ctp;
 311         if (type_ok (ct, 1) && !ct->c_umask) {
 312             if (stat (ct->c_file, &st) != NOTOK)
 313                 ct->c_umask = ~(st.st_mode & 0777);
 314             else
 315                 ct->c_umask = ~m_gmprot();
 316         }
 317     }
 318
 319     /*
 320      * List the message content
 321      */
 322     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 323
 324     /* Now free all the structures for the content */
 325     for (ctp = cts; *ctp; ctp++)
 326         free_content (*ctp);
 327
 328     free(cts);
 329     cts = NULL;
 330
 331     /* If reading from a folder, do some updating */
 332     if (mp) {
 333         context_replace (pfolder, folder);/* update current folder  */
 334         if (chgflag)
 335             seq_setcur (mp, mp->hghsel);  /* update current message */
 336         seq_save (mp);                    /* synchronize sequences  */
 337         context_save ();                  /* save the context file  */
 338     }
 339
 340     done (0);
 341     return 1;
 342 }
 343
 344
 345 static void
 346 pipeser (int i)
 347 {
 348     if (i == SIGQUIT) {
 349         fflush (stdout);
 350         fprintf (stderr, "\n");
 351         fflush (stderr);
 352     }
 353
 354     done (1);
 355     /* NOTREACHED */
 356 }